Home / 13,412,659.33-18,508,414.58-7,611,441.01

Finding the Fourth Proportional to 13,412,659.33, 18,508,414.58 and 7,611,441.01

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Solution

The fourth proportional to 13,412,659.33, 18,508,414.58 and 7,611,441.01 is: 10,503,189.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,659.33 : 18,508,414.58 = 7,611,441.01 : x
  2. Step 2: Convert to fraction form
    13,412,659.33/18,508,414.58 = 7,611,441.01/x
  3. Step 3: Cross multiply
    13,412,659.33x = 18,508,414.58 × 7,611,441.01
  4. Step 4: Simplify right side
    13,412,659.33x = 140,875,705,772,507.75
  5. Step 5: Solve for x
    x = 140,875,705,772,507.75/13,412,659.33
  6. Step 6: Final answer
    x = 10,503,189.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.